def enumSelector(**enums):
    return type('EnumPriority', (), enums)

Selector = enumSelector(    equal='=',
                            diff='!',
                            comma=',',
                            semicolon=';'     )

SelectorDict = {'=':Selector.equal,
                '!':Selector.diff,
                ',':Selector.comma,
                ';':Selector.semicolon   }

PrioritySelectorDict = {'=':Selector.equal,
                '!':Selector.diff   }